Support FlatDHCP network for VMware Hyper.

fix bug #1171783

Change-Id: Ibb75c8e3174283f0f5e94bacfd61ee93e8bd6227
Fix missing kernel output via VNC/Spice on boot

Bug 1164021

Use both ttys0 and tty0 as console options to the kernel during
boot.

Change-Id: I0365ff7cad021fb6ca551651d00d58297087e95e
Merge "Support FlatDHCP network for VMware Hyper."
Merge "Fix missing kernel output via VNC/Spice on boot"
Merge remote-tracking branch 'm_src_repo/citrix-fixes' into build-temp